Writing environment with strong focus on structure. Documents are organized in a tree structure that is layed out in columns to traverse visually.

https://gingkoapp.com

Collaborative online development of animations with alternative narrative paths. Tree as interface metaphor.

http://www.exquisiteforest.com

In his essay Alexander distinguishes to structural principles, the rigid “tree” and the “semilattice”, that allows for intersections between elements. He argues that people tend to reduce complex issues conceptually on trees, that it’s even impossible to think in the “semilattice”. He is concerned about the dangers of this conceptual reduction he also sees in architecture and design projects.

Part 1, Part 2